Multiple Choice
What is the final concentration of a solution prepared by diluting 35.0 mL of 12.0 M HCl to a final volume of 1.20 L?
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6. Chemical Quantities & Aqueous Reactions
Dilutions
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What is the molarity (M) of a solution prepared by diluting 125 mL of 0.500 M H₂SO₄ to 375 mL?
A
0.333 M
B
0.167 M
C
0.500 M
D
0.250 M
Verified step by step guidance1
Identify the initial concentration (C₁) and volume (V₁) of the solution. Here, C₁ = 0.500 M and V₁ = 125 mL.
Identify the final volume (V₂) of the solution after dilution. Here, V₂ = 375 mL.
Use the dilution formula C₁V₁ = C₂V₂, where C₂ is the final concentration (molarity) of the solution.
Rearrange the formula to solve for C₂: C₂ = (C₁V₁) / V₂.
Substitute the known values into the equation: C₂ = (0.500 M * 125 mL) / 375 mL, and simplify to find the molarity of the diluted solution.
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